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Public Tours

The Observatory and gift shop are currently open with restrictions from 10 AM - 4 PM, Friday-Monday and every day by appointment from 8:30 AM to 5:30 PM.

Masks must be worn inside the Observatory. Whether visiting the gift shop or taking a tour, a maximum of four people (or up to six people all from the same household) are allowed at one time. Reservations for a visit at a specific time are encouraged by calling 617-696-0562 or by sending E-mail to dmccasland@bluehill.org. Tickets for tours may be purchased below.


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Weather Summaries

2021 Summary – Tied for Fifth Warmest Year on Record

2021 Summary – Tied for Fifth Warmest Year on Record

The year 2021 was exceptionally warm and ended in a tie as the fifth warmest on record. The 24-hour adjusted mean temperature of 50.9F was 3.1F warmer than the 130-year (1891-2020) long-term mean and 1.4F above the 30-year (1991-2020) normal. Every month was warmer than the long-term mean except for July. The annual average maximum […]

| January 7, 2022 | Reply
December 2021 – Tied for Tenth Warmest on Record

December 2021 – Tied for Tenth Warmest on Record

Blue Hill Observatory December 2021 Summary: December was very warm and much drier, less snowy and cloudier than average. The 24-hour adjusted mean temperature for the month of 36.2 deg F was 6.1 degrees warmer than the 1891-2020 130-year average for December, and it was 3.4 degrees cooler than the 1991-2020 30-year average. The month […]

| January 3, 2022 | Reply

Weather Now

What's Happening on the Hill

Two Tornado Outbreaks in December 2021  Have Raised Questions About Extreme Weather Nationally and Even for New England

Two Tornado Outbreaks in December 2021 Have Raised Questions About Extreme Weather Nationally and Even for New England

Authored by Robert Thompson, retired Meteorologist-in-Charge of the Boston/Norton National Weather Service (NWS) Forecast Office. He is an adjunct professor at Anna Maria College and Board Member of Blue Hill Observatory. Two tornado outbreaks in December 2021 have raised several questions even for us in New England.  The first and deadliest outbreak in decades featured […]

| December 30, 2021 | Reply
Observatory Receives a “Save America’s Treasures” Grant to Conserve our Historic Climate Books – Your Help is Needed to Raise Matching Funds

Observatory Receives a “Save America’s Treasures” Grant to Conserve our Historic Climate Books – Your Help is Needed to Raise Matching Funds

The non-profit Blue Hill Observatory and Science Center, a National Historic Landmark located atop Great Blue Hill, was recently awarded a “Save America’s Treasures” (SAT) grant by the National Park Service to preserve many of our historic climate resources. In support of this project, the Observatory is seeking $65,000 to fulfill the obligation to raise […]

| October 19, 2021 | Reply
Tropical Storm Elsa Drenches Southern New England

Tropical Storm Elsa Drenches Southern New England

After making landfall in Florida and moving over much of the East Coast of the United States over the past two days, Tropical Storm Elsa crossed southeastern New England on Friday, July 9, 2021 and passed approximately 40 miles to the southeast of the Observatory at mid-day. Torrential rain arrived early in the morning, and […]

| July 9, 2021 | Reply
Renovations are in progress at Blue Hill Observatory: What you need to know

Renovations are in progress at Blue Hill Observatory: What you need to know

Our building is closed No public access is allowed during construction planned through 2022 Obey posted safety signage. Use caution when around construction areas and summit roadways. Extensive work began June 2021 including much-needed concrete repair, historically appropriate door and window upgrades, lighting upgrades and more. The Observatory and grounds will be closed to the […]

| June 22, 2021 | Reply
Daily Record Snowfall at the Observatory on April 16th

Daily Record Snowfall at the Observatory on April 16th

A strong coastal storm combined with anomalously cold temperatures to bring a record breaking snowfall and more than two inches of much needed liquid precipitation to the summit of Great Blue Hill on April 16th, 2021. Rain began during the night, and snow started mixing with rain just before the 7AM EST observation. By 7:30AM, the […]

| April 16, 2021 | Reply